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2H-Furo[3,4-b]pyran-4,7(3H,5H)-dione is a complex organic compound with the molecular formula C7H4O4. It is a derivative of furo[3,4-b]pyran, which is a heterocyclic compound containing both a furan ring and a pyran ring. This specific compound is characterized by the presence of two carbonyl groups (C=O) at positions 4 and 7, and a hydrogen atom at position 2. It is a white crystalline solid and is known for its potential applications in the synthesis of various pharmaceuticals and agrochemicals due to its unique chemical structure. The compound's properties, such as its reactivity and stability, make it a subject of interest in organic chemistry research.

484-91-3

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484-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 484-91-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,8 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 484-91:
(5*4)+(4*8)+(3*4)+(2*9)+(1*1)=83
83 % 10 = 3
So 484-91-3 is a valid CAS Registry Number.
InChI:InChI=1/C7H6O4/c8-5-1-2-10-6-4(5)3-11-7(6)9/h1-3H2

484-91-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name Isoclavicin

1.2 Other means of identification

Product number -
Other names 2,3-Dihydro-5H-furo[3,4-b]pyran-4,7-dion

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:484-91-3 SDS

484-91-3Downstream Products

484-91-3Relevant academic research and scientific papers

Gold(I)-Catalyzed Angle Strain Controlled Strategy to Furopyran Derivatives from Propargyl Vinyl Ethers: Insight into the Regioselectivity of Cycloisomerization

Jin, Shengfei,Jiang, Chongguo,Peng, Xiaoshi,Shan, Chunhui,Cui, Shanshan,Niu, Yuanyuan,Liu, Yang,Lan, Yu,Liu, Yongxiang,Cheng, Maosheng

, p. 680 - 683 (2016/03/01)

A unique strategy for the regiospecific synthesis of bicyclic furopyran derivatives has been developed via a gold(I)-catalyzed propargyl-Claisen rearrangement/6-endo-trig cyclization of propargyl vinyl ethers. The introduction of angle strain into the substrates significantly altered the reaction's regioselectivity. Insight into the regioselectivity of the cycloisomerization was obtained with density functional theory calculations. (Chemical Equation).

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